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  • Genes, Helminth  (2)
  • *Caenorhabditis elegans Proteins  (1)
  • B-Lymphocytes/*immunology  (1)
  • 2000-2004  (2)
  • 1980-1984  (1)
  • 1
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    A gene-coexpression network for global discovery of conserved genetic modules (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-08-23
    Description: To elucidate gene function on a global scale, we identified pairs of genes that are coexpressed over 3182 DNA microarrays from humans, flies, worms, and yeast. We found 22,163 such coexpression relationships, each of which has been conserved across evolution. This conservation implies that the coexpression of these gene pairs confers a selective advantage and therefore that these genes are functionally related. Many of these relationships provide strong evidence for the involvement of new genes in core biological functions such as the cell cycle, secretion, and protein expression. We experimentally confirmed the predictions implied by some of these links and identified cell proliferation functions for several genes. By assembling these links into a gene-coexpression network, we found several components that were animal-specific as well as interrelationships between newly evolved and ancient modules.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stuart, Joshua M -- Segal, Eran -- Koller, Daphne -- Kim, Stuart K -- New York, N.Y. -- Science. 2003 Oct 10;302(5643):249-55. Epub 2003 Aug 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stanford Medical Informatics, 251 Campus Drive, Medical School Office Building X-215, Stanford, CA 94305-5329, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12934013" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Caenorhabditis elegans/genetics ; Cell Cycle/genetics ; Cell Division/genetics ; Computational Biology ; Conserved Sequence ; Databases, Genetic ; Drosophila melanogaster/genetics ; *Gene Expression ; Gene Expression Profiling ; Gene Expression Regulation ; Genes, Fungal ; Genes, Helminth ; Genes, Insect ; Humans ; Models, Statistical ; Mutation ; *Oligonucleotide Array Sequence Analysis ; Proteins/metabolism ; Saccharomyces cerevisiae/genetics ; Signal Transduction/genetics ; Species Specificity ; Tumor Cells, Cultured
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Reading the worm genome (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-01-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, S K -- New York, N.Y. -- Science. 2000 Jan 7;287(5450):52-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology and Genetics, Stanford University Medical Center, Stanford, CA 94305-5329, USA. kim@cmgm.stanford.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10644223" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caenorhabditis elegans/*genetics/growth & development/*metabolism ; *Caenorhabditis elegans Proteins ; Female ; Genes, Helminth ; *Genome ; Helminth Proteins/genetics/*metabolism ; Protein Binding ; Repressor Proteins/genetics/metabolism ; Retinoblastoma Protein/metabolism ; Signal Transduction ; *Two-Hybrid System Techniques ; Vulva/growth & development ; Yeasts/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    DNA sequences mediating class switching in alpha-immunoglobulins (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-09-19
    Description: Immunoglobulin class switching involves specific DNA rearrangements of the gene segments coding for heavy chain constant regions (CH) during B lymphocyte differentiation. In two different cases of C mu to C alpha switching examined here (T15 and M603) and one taken from the literature (MC101), three different sites on the 5' side of C mu and three different sites on the 5' side of C alpha are joined together in the process of CH switching. The sequences surrounding the three germ-line C alpha sites of recombination are highly conserved blocks of 30 nucleotides that may serve as recognition sequences for CH switching to the C alpha gene. This putative recognition sequence is repeated 17 times in approximately 1400 nucleotides of the germ-line Calpha 5' flanking sequence. The lack of homology between this C alpha sequence and sequences reported for the C gamma 1 and C gamma 2b switch sites suggests that heavy chain switching is mediated by class-specific recognition sequences and, presumably, class-specific regulatory mechanisms. In addition, it appears that in one example (MC101) CH switching progressed from C mu to C alpha to C gamma 1. This switching pathway may present difficulties for the simple deletional model of CH switching.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, M M -- Kim, S K -- Hood, L E -- AI 09072/AI/NIAID NIH HHS/ -- GM 07616/GM/NIGMS NIH HHS/ -- PCM76-81546/PC/NCI NIH HHS/ -- New York, N.Y. -- Science. 1980 Sep 19;209(4463):1360-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6774415" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/*immunology ; Base Sequence ; DNA/genetics ; *Genes ; Immunoglobulin Constant Regions/*genetics ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin Variable Region/genetics ; Immunoglobulin alpha-Chains/*genetics ; Immunoglobulin mu-Chains/*genetics ; Immunoglobulins/*genetics ; Mice ; Myeloma Proteins/genetics ; Recombination, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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